Sitefinity - Filter on RelatedItems via API

var newsItems = SitefinityQuery.Get<NewsItem>(NewsManager.GetManager().Provider).Where(o => o.Visible && o.Status == ContentLifecycleStatus.Live);
newsItems = newsItems.Where(o => o.GetRelatedItems<Image>("OtherImages").Any(i => i.Title == "12345"));

foreach (var newsItem in newsItems)
{
    var mainImage = newsItem.GetValue<Image>("MainImage");
    var otherImages = newsItem.GetValue("OtherImages");
    var linkPage = newsItem.GetValue<PageNode>("LinkPage");
}